import fs from "fs";

// https://en.wikipedia.org/wiki/Cue_sheet_(computing)
export function generate(data, outputFile) {
  try {
    fs.truncateSync(outputFile);
  } catch {}
  fs.appendFileSync(outputFile, `REM Generated using youtube-cue\n`);
  fs.appendFileSync(outputFile, `PERFORMER "${data.artist}"\n`);
  fs.appendFileSync(outputFile, `TITLE "${data.album}"\n`);
  fs.appendFileSync(outputFile, `FILE "${data.audioFile}" M4A\n`);
  for (var i in data.tracks) {
    let song = data.tracks[i];
    let minutes = song.start.hh * 60 + song.start.mm;
    fs.appendFileSync(outputFile, `  TRACK ${song.track} AUDIO\n`);
    fs.appendFileSync(outputFile, `    TITLE "${song.title}"\n`);
    fs.appendFileSync(outputFile, `    PERFORMER "${song.artist}"\n`);
    // Cue File is always MINUTES:SECONDS:FRAME, where FRAME is 00
    fs.appendFileSync(
      outputFile,
      `    INDEX 01 ${minutes}:${song.start.ss}:00\n`
    );
  }
}